Hydrolysis of Salts
Chemistry ⇒ Acids, Bases, and Salts
Hydrolysis of Salts starts at 10 and continues till grade 12.
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A solution of FeCl₃ is found to be acidic. Explain why.
Describe the effect of temperature on the degree of hydrolysis of salts.
Describe the process of hydrolysis for the salt ammonium acetate (NH₄CH₃COO).
Explain why the aqueous solution of ammonium chloride (NH₄Cl) is acidic.
Explain why the pH of a solution of potassium nitrate (KNO₃) is neutral.
Explain why the solution of sodium carbonate (Na₂CO₃) is basic.
Explain why the solution of sodium chloride does not undergo hydrolysis.
What is meant by the hydrolysis of a salt?
Which of the following is true about the hydrolysis of salts?
(1) Only cations hydrolyze
(2) Only anions hydrolyze
(3) Both cations and anions can hydrolyze
(4) Neither cations nor anions hydrolyze
Which of the following pairs will result in a salt that hydrolyzes to give a basic solution?
(1) Strong acid + Strong base
(2) Weak acid + Strong base
(3) Strong acid + Weak base
(4) Weak acid + Weak base
Which of the following salts will have a pH greater than 7 in aqueous solution?
(1) NH₄Cl
(2) Na₂CO₃
(3) FeCl₃
(4) KNO₃
Which of the following salts will not undergo hydrolysis in water?
(1) K₂SO₄
(2) NH₄NO₃
(3) Na₂CO₃
(4) FeCl₃
Fill in the blank: The hydrolysis constant (K_h) for a salt of a weak acid and strong base is given by K_h = _______.
Fill in the blank: The hydrolysis constant (K_h) for a salt of a weak base and strong acid is given by K_h = _______.
Fill in the blank: The hydrolysis of a salt is the reverse of the _______ reaction.
Fill in the blank: The pH of a solution of a salt of a weak acid and a weak base depends on the relative values of _______ and _______.
A 0.05 M solution of ammonium chloride (NH₄Cl) has a pH less than 7. Is this due to hydrolysis?
State whether the following statement is true or false: Salts of weak acids and weak bases always produce neutral solutions upon hydrolysis.
State whether the following statement is true or false: The cation of a salt derived from a weak base can hydrolyze to produce H⁺ ions.
State whether the following statement is true or false: The degree of hydrolysis of a salt increases with dilution.
